Object Oriented Design courses can help you learn principles like encapsulation, inheritance, and polymorphism, along with design patterns such as Singleton and Factory. You can build skills in creating reusable code, improving software maintainability, and designing systems that are easier to understand and extend. Many courses introduce tools like UML for modeling, as well as programming languages such as Java and Python, which are commonly used to implement object-oriented concepts in real-world applications.

University of Pittsburgh
Skills you'll gain: Data Storytelling, Data Presentation, Plot (Graphics), Data Visualization, Matplotlib, Interactive Data Visualization, Data Visualization Software, Seaborn, Data Analysis, Graphic and Visual Design, Python Programming, Jupyter, Pandas (Python Package), Data Manipulation, NumPy
Build toward a degree
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Content Performance Analysis, Social Media Campaigns, Drive Engagement, Video Production, Photo/Video Production and Technology, Workflow Management
Beginner · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Cascading Style Sheets (CSS), Web Design, Web Design and Development, No-Code Development, HTML and CSS, Web Content, Open Source Technology, Creativity, Web Development, Usability
Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Kubernetes, CI/CD, Application Deployment, Cloud-Native Computing, DevOps, Continuous Integration, Containerization, Continuous Deployment, Package and Software Management, YAML, Git (Version Control System)
Advanced · Course · 1 - 4 Weeks

Skills you'll gain: Azure DevOps Pipelines, CI/CD, Authorization (Computing), Package and Software Management, Infrastructure as Code (IaC), Authentications, Application Deployment, Azure DevOps, Continuous Integration, DevSecOps, Cloud Deployment, DevOps, Security Controls, GitHub, Continuous Deployment, Git (Version Control System), Agile Methodology, Performance Tuning, Identity and Access Management, Continuous Delivery
Advanced · Specialization · 1 - 3 Months

LearnQuest
Skills you'll gain: Simple Object Access Protocol (SOAP), Web Services, Extensible Markup Language (XML), Java Platform Enterprise Edition (J2EE), Java, Web Applications
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: C# (Programming Language), Object Oriented Programming (OOP), Version Control, GitHub, User Accounts, Role-Based Access Control (RBAC), Microsoft Visual Studio, Git (Version Control System), Debugging, .NET Framework, Microsoft SQL Servers, Object-Relational Mapping, Full-Stack Web Development, Identity and Access Management, Development Environment, Database Management, Database Development, Application Development, Authorization (Computing), Microsoft Windows
Intermediate · Specialization · 1 - 3 Months

Skills you'll gain: Canva (Software), Presentations, Sales Presentation, Marketing Design, Target Market, Marketing Collateral, Graphic and Visual Design, Marketing, Design Elements And Principles
Beginner · Guided Project · Less Than 2 Hours

28DIGITAL
Skills you'll gain: AI Personalization, Applied Machine Learning, Dimensionality Reduction, Feature Engineering, Machine Learning, Model Evaluation, Algorithms, Performance Tuning
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Spring Framework, Hibernate (Java), Spring Boot, Java, Object-Relational Mapping, Database Management, Apache Maven, Software Design Patterns, SQL, Data Persistence, Functional Design, Dependency Analysis
Intermediate · Course · 1 - 4 Weeks

Universidad de los Andes
Skills you'll gain: TypeScript, Javascript, Scripting Languages, Hypertext Markup Language (HTML), Web Development Tools, Object Oriented Programming (OOP)
Intermediate · Guided Project · Less Than 2 Hours

Red Hat
Skills you'll gain: Object Oriented Programming (OOP), JSON, Python Programming, Debugging, Data Structures, Red Hat Enterprise Linux, Computer Programming, Statistical Programming, Web Development, Scripting, Scripting Languages, Development Environment, Text Mining, Software Installation
Intermediate · Course · 3 - 6 Months